Tech Tips
Use these procedures to troubleshoot the cruise control system.
*: Use the intelligent tester.
VEHICLE BROUGHT TO WORKSHOP
| NEXT |
|
INSPECT BATTERY VOLTAGE
| Standard voltage |
|---|
| 11 to 14 V |
If the voltage is below 11 V, recharge or replace the battery before proceeding.
| NEXT |
|
CHECK INDICATOR
Check the indicator Click here.
| NEXT |
|
CHECK DTC*
Check for DTCs Click here.
Clear the DTCs Click here.
Recheck for DTCs Click here.
| Result | Proceed to |
|---|---|
| DTC is output | A |
| DTC is output | B |
| B |
|
Go to DTC CHART Click here |
| A |
|
PROBLEM SYMPTOMS TABLE
Refer to the problem Symptoms Table Click here.
| Result | Proceed to |
|---|---|
| Fault is not listed in problem symptoms table | A |
| Fault is listed in problem symptoms table | B |
| B |
|
Go to step 7 |
| A |
|
OVERALL ANALYSIS AND TROUBLESHOOTING*
Terminals of ECM Click here.
Data List/Active Test Click here
| NEXT |
|
ADJUST, REPAIR OR REPLACE
| NEXT |
|
CONFIRMATION TEST
| NEXT |
|
| END |